*Sp = Species (CK = Chicken, DK = Duck, SPR = Sparrow); SR = Seroconversion Rate in surviving birds (%); NA = Not Applicable.†All values appearing in the # column correspond to the 7 different experim
Generalized linear mixed model on 3 main factors (imitation, test birds’ sex, stimuli birds’ sex), the second order interactions for 3 response variables: latency to calling during playback, call rate
